The SFD-M high-resolution encoder presents multi-turn absolute suggestions. | Supply: Kollmorgen
Kollmorgen Corp., a developer of movement management and automation techniques, this week launched the Sensible Suggestions Gadget, Multi-Flip, or SFD-M, encoder. It mentioned the SFD-M permits machine builders to attain high-resolution, multi-turn suggestions with absolute positioning info accessible at system startup.
“Our new SFD-M encoder supplies multi-turn absolute performance with distinctive place accuracy and determination at zero extra price over Kollmorgen motors with single-turn encoders,” mentioned Chris Cooper, senior director of worldwide product administration at Kollmorgen.
“That’s an enormous profit for precision and productiveness at a financial savings of lots of of {dollars} per motor and doubtlessly a number of thousand {dollars} in a posh, multi-axis machine,” he added. “Single motor-to-drive cable expertise with auto drive setup additional lowers complete prices. We’re very proud to supply all of those advantages to our prospects as an integral a part of Kollmorgen’s industry-leading servo techniques.”
Designed to work with AKD and AKD2G drives, the SFD-M absolute multi-turn encoder could be built-in into Kollmorgen-housed servo motors. This comes at no extra cost compared with the SFD-3 single-turn absolute encoder. This allows it to offer multi-turn efficiency, 4 occasions higher positioning accuracy, and 50 occasions decrease EMF noise.
Kollmorgen has greater than 100 years of movement expertise. Its in depth product portfolio contains motors, drives, linear actuators, automated guided car (AGV) management techniques, and automation management platforms. The Radford, Va.-based firm mentioned its expertise combines efficiency, reliability, and ease of use to offer machine builders a market benefit.
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SFD-M supplies absolute multi-turn positioning
Kollmorgen mentioned the SFD-M is equal to different third-party encoders that include a premium worth. With the SFD-M, prospects can obtain substantial financial savings in machine designs that carry out at excessive ranges of precision, effectivity, and effectiveness, it asserted.
The SFD-M measures the place of the rotor shaft all through every 360º rotation with out requiring reference to a house place. As well as, it registers the whole variety of rotations the shaft has made in both course.
This absolute multi-turn positioning functionality is necessary when exact monitoring of place is required over massive rotational distances, akin to in machine software positioning, packaging machines, materials dealing with, satellite tv for pc monitoring, and lots of different functions, mentioned Kollmorgen.
The SFD-M additionally maintains absolute positioning info in actual time, even when the system is powered down, eliminating the necessity for time-consuming homing sequences upon startup, the corporate mentioned.
Kollmorgen shares key specs
Absolute multi-turn encoders from different suppliers typically require a battery to retain positioning info when the system is powered down or throughout an influence failure, famous Kollmorgen. These exterior batteries require substitute and could be topic to failure. Different options use mechanical gear trains, that are noisy, backlash-prone, and add measurement to the motor.
The brand new Kollmorgen SFD-M eliminates these points, as a substitute utilizing energy-harvesting expertise to reliably keep positioning info without having for batteries or gear trains. Battery-free operation eliminates upkeep points whereas additionally supporting efforts to scale back the consumption of pure assets and reduce waste.
Kollmorgen mentioned the SFD-M is extremely correct and listed extra specs:
- Decision of 24 bits per revolution
- 16,777,216 counts per revolution
- 0.0772 arc-sec per depend
- Multi-turn absolute vary of 16 bits = 65,536 motor revolutions
- Accurcy of < +/– 1 arc-min typical at 25ºC an < +/– 3 arc-min worst case
See Kollmorgen on the Robotics Summit & Expo
To be taught extra about Kollmorgen’s newest merchandise, see it on the 2025 Robotics Summit & Expo, which takes place April 30 to Might 1 on the Boston Conference and Exhibition Heart. The corporate can be exhibiting at Sales space 644.
As well as, on Thursday at 2:30 PM, Stephen Funk, an electromagnetics design engineer knowledgeable at Kollmorgen, can be talk about “ Choose the Proper Motor to Scale back Price and Time to Market.”
His presentation will discover the stability between configuration and customization. Funk will take a look at the continuum from normal and configurable merchandise, which supply fast options, to customization, which supplies the flexibleness wanted for exact optimization. That is significantly necessary in tailoring motor properties to satisfy stringent necessities, providing a definite benefit in robotic functions, in response to Funk.
The Robotics Summit additionally presents quite a few networking alternatives, a Profession Truthful, a robotics growth problem, the RBR50 Robotics Innovation Awards Gala, and extra.